Shackle



FIG. 1 is an isometric perspective view showing a shackle embodying the new design;

FIG. 2 is an isometric perspective showing the opposite side of the shackle embodying the new design shown in FIG. 1 ;

FIG. 3 is a plan front view of the shackle of FIG. 1 ;

FIG. 4 is an opposite side elevation view of the shackle of FIG. 3 ;

FIG. 5 is another side view of the shackle of FIG. 1 ;

FIG. 6 is an opposite side view of the shackle of FIG. 5 ;

FIG. 7 is a top view of the shackle of FIG. 1 ;

FIG. 8 is a bottom view of the shackle of FIG. 1 ; and,

FIG. 9 is an exploded isometric perspective view of the shackle of FIG. 1 .

The broken lines are included for the purpose of illustrating environmental subject matter and form no part of the claimed design. 

CLAIM We claim the ornamental design for a shackle, as shown and described. 